Seiko Cal. 6644 - 773

Seiko 6644-773

Released in 1991, the Cal. 6644 with design code 773 was part of Seiko's domestic market collection. Powered by the 6644 caliber with 32j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-10d99e4031c1]

Also known as: Turtle, Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
11.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
32j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1991

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seikata-wm-10d99e4031c1